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Elementary Math Fractions, Percentages, Word Problems, Equations, Inequations, Factorization, Expansion


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May 8th, 2015, 05:00 AM   #1
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Hi!

Check out this app, it solves the equations for you and you can use it to check your answers.

https://play.google.com/store/apps/d...equationsolver

Last edited by skipjack; May 29th, 2015 at 01:49 PM.
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May 8th, 2015, 05:09 AM   #2
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It solve quadratic equations only. But so will a calculator if you know the quadratic formula!
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May 8th, 2015, 05:32 AM   #3
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Math Focus: Number theory, computational mathematics, combinatorics, FOM, symbolic logic, TCS, algorithms
You can also use this PARI/GP script:

Code:
quad(a,b,c)=my(d=sqrt(b^2-4*a*c)); [d-b, -d-b]/2/a
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